Barber Colman MP-5433 Actuator

The Barber Colman MP-5433 is a 24V AC electronic hydraulic damper actuator designed for precise proportional control in HVAC systems. It features a spring return mechanism, ensuring the actuator returns to its fail-safe position upon power loss. The actuator is compatible with 2 to 15 VDC control signals, making it suitable for integration with various control systems.

Technical Specifications

  • Model: MP-5433

  • Type: Electronic hydraulic damper actuator

  • Voltage: 24V AC

  • Control Signal: Proportional (2–15 VDC)

  • Spring Return: Yes; retracts actuator shaft upon power loss

  • Stroke Length: Approximately 2 inches (51 mm)

  • Torque: 15 in-lb (1.69 N·m)

  • Power Consumption: 18 VA

  • Ambient Temperature Range: -20°F to 140°F (-29°C to 60°C)

  • Enclosure Rating: NEMA Type 1

  • Condition: Brand new

Key Features

  • Provides precise proportional control for HVAC dampers

  • Spring return mechanism ensures safety during power loss

  • Compatible with 2 to 15 VDC control signals

  • Compact design suitable for various installations

Compatible Applications

  • HVAC systems requiring modulating damper control

  • Ventilation and exhaust systems

  • Industrial process control requiring electric actuation

Installation & Maintenance Notes

  • Ensure proper alignment during installation to prevent binding

  • Verify electrical connections are secure and match the actuator’s specifications

  • Regularly inspect actuator for signs of wear or damage

  • Follow manufacturer guidelines for maintenance procedures


We ship this product worldwide! Delivery is normally stock.

Request a Quote now or call us at 1-800-755-2883 for expert assistance

Get A Quote

Fill in the form below, or call us now at 1-800-755-2883

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Full Product Catalog

See our comprehensive product catalog!